Thread: 2004 gtp 3.8 bottom swap- Needing a tune!!

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  1. #1 2004 gtp 3.8 bottom swap- Needing a tune!! 
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    I had my motor go in my 2004 GTP and I swapped in a a Nonsupercharged lower end and put all my heads and intake and supercharger on it. What do I need for a tune? Will just a mail order tune get me done? Looking for a good tuner
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  2. #2 Re: 2004 gtp 3.8 bottom swap- Needing a tune!! 
    GXP Level Member GTPpower's Avatar
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    I had a comp g that I did the same thing to. You are going to need more than a tune though to keep it from knocking. You will probably need headers and a bigger pulley, or a cam, or an intercooler. Or switch to e85.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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